#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>


int main() {
    int m;
    while (scanf("%d", &m) != EOF)
    {
        if (m % 2 == 0)
        {
            printf("Even\n");
        }
        else
        {
            printf("Odd\n");
        }
    }
    return 0;
}